Patent attorneys

Patent Attorneys

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Patent Attorney / President Tadanori YOSHIDA [specific infringement lawsuit counsel]

I hope to meet your intellectual property planning and utilization needs from my experience as a corporate engineer and in business strategy enforcement, my knowledge of civil law and intellectual property law that I gained at graduate school, and my experience as a patent attorney. I would appreciate your guidance.

Profile

Mr. Tadanori Yoshida received his M. S. from Department of Chemistry, Faculty of Science and Engineering, Waseda University.
He joined Hitachi, Ltd., where he was engaged in research and development of semiconductor manufacturing device and process at its Semiconductor Division.
He left Hitachi Ltd. in 2002, because he wanted to try a new field (Intellectual Property). He entered Graduate School of Law, Waseda University and majored in Civil Code and Civil Procedure Law there.　He has written "Claim analysis in patent infringement lawsuits" in the Takabayashi laboratory.
In 2004, he was admitted to practice as a Japanese Patent Attorney, and he worked as a patent attorney in a patent firm in Tokyo from 2005 to 2011.
In 2011, he started DORAIT IP Law Firm.
His main fields of technical expertise include semiconductor devices, processes, and circuits, Nano-technology, materials, chemistry, law, contracts (negotiations), and litigations.

Activities
  • 2009 Chairperson, Patent Committee, Japan Patent Attorneys Association
  • 2013 Executive, Japan Patent Attorneys Association
  • 2005-2011 Lecturer, Niigata University ("Startup strategy 101")
  • 2016- Lecturer, Tohoku University ("Semiconductors and intellectual property rights")
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Patent Attorney / Partner Yasuko YOSHIDA

I am committed to meeting all of your needs, from unearthing inventions to acquiring robust rights, based on my experience of semiconductor technology development in the Semiconductor Division, Hitachi, Ltd. and as a Japan Patent Office examiner.

Profile

Ms. Yasuko Yoshida received her B. S. from Department of Physics, Faculty of Science in Ochanomizu University (Tokyo, Japan). She joined Hitachi, Ltd., where she was engaged in research and development of semiconductor memory devices and manufacturing process at its Semiconductor Division.
In 2008, She was admitted to practice as a Japanese Patent Attorney, and she entered the Japan Patent Office and was involved in patent examination practices regarding technologies including semiconductor devices (Semiconductor Division, Third Patent Examination Department), and electrochemical batteries, conductive materials, etc. (Metals and Electrochemistry Division, Third Examination Department).
In 2015, she joined DORAIT IP law firm.
Her main fields of technical expertise include semiconductor devices, processes, and circuits, nano-technology, batteries, and materials.

Activities
  • 2019- Patent Committee, Japan Patent Attorneys Association
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Patent Attorney / Partner Hiroaki UMEMURA [specific infringement lawsuit counsel]

Utilizing my extensive experience in supporting intellectual property strategy, I will continue to work to provide services that meet the various needs of our customers in the fields of patents, designs, and trademarks.

Profile

Mr. Hiroaki Umemura received his B. S. from Department of Materials Engineering, School of Engineering, Tokyo Denki University.
He was admitted to practice as a Japanese Patent Attorney in 2006.
He worked as a patent engineer/patent attorney till he joined DORAIT IP law firm in 2011.
His main fields of technical expertise include Electricity, machinery, materials, semiconductors, software, trademarks, litigations.

Activities
  • 2007-2008 Patent System Operation Consultative Committee
  • 2022 Trademark Committee
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Patent Attorney / Junior Partner Wakayuki KUBOTA [specific infringement lawsuit counsel]
Profile

Mr. Wakayuki Kubota graduated from Department of Political Science, School of Political Science and Economics, Waseda University.
He joined Mitsubishi Corporation where he was engaged in trading and investment at its chemical division in 1994. He left Mitsubishi Corporation and joined other major patent firm in 2001 because he liked to expand his career in the intellectual property field where his father used to be engaged as a patent examiner. After he was admitted to practice as Japanese Patent Attorney in 2006 and had a lot of experience mainly in the foreign IP cases, he joined DORAIT IP Law Firm in 2020.
His main special fields are foreign and domestic IP issues, contracts (negotiations), litigations and machinery and chemistry in general.

Activities
  • 2016-2018 Chief manager, the Americans IP committee, Japan Patent Attorney Association
  • 2019- Deputy Director General, International Activities Center, Japan Patent Attorneys Association
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Patent Attorney Masako KAWAMURA [Ph.D.]
[specific infringement lawsuit counsel]
Profile

Dr. Masako KAWAMURA
Masako Kawamura received her Ph. D. in Physics from Ochanomizu University (Tokyo, Japan).
She was a postdoctral fellow at Yukawa Institute for Theoretical Physics (Kyoto, Japan).
She was admitted to practice as a Japanese Patent Attorney in 2010.
She worked as a patent engineer/patent attorney in various patent firms in Tokyo from 2000 to 2017 and joined DORAIT IP law firm in 2018.
She is experienced in preparing and prosecuting domestic and foreign patent applications relating to medical devices, optical devices, communication devices, computer hardware, software, and business methods.

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Patent Attorney Kaoru YAMAZAKI
Profile
Academic history
Waseda University, the degree of mechanical engineering
Career
Associate and management of IP law firm
Atumist Corporation, CEO
Technological expertise
Monopoly marketing; maximum profit strategy; licensing; patenting simple tech; robotics; mechanics; nano technology; communications technology; metal; electronics; optics
Activities
  • 1995 a trainee at Fish & Richardson, P.C. in the United States
  • 2011- present a trainer in the program mandatory for Patent Attorney registration
  • 2011-2014 an examiner for the national examination of Patent Attorney qualification
  • 2017- present a management developing patented business ventures
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Patent Attorney Takeshi ISHIZAKI [specific infringement lawsuit counsel]
Profile

Mr.Takeshi Ishizaki graduated from the Department of Resource Engineering, Faculty of Science and Engineering, Waseda University.
He Worked at INAX Co., Ltd. Construction Technology Research Institute and registered as a patent attorney in January 1995.
After that, he worked at a domestic patent firm and joined DORAIT IP law firms in February 2022.
His technical fields are mechanical, materials (inorganic), electrical and software.
message
I will use my work experience in the construction field to meet the needs of our customers.

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Patent Attorney Michiko SHINODA
Profile

Ms. Michiko Shinoda received master’s degree from Department of Chemistry, Graduate School of Science, Kyoto University.
She joined the Japan Patent Office, wherein she was engaged in patent examination in the divisions of metal and inorganic chemistry in the Fourth Patent Examination Department.
Thereafter, she joined some patent firms in Tokyo and engaged in patent matters.
Her main fields of technical experties include chemistry in general, specifically, inorganic chemistry, organic chemistry and polymers, as well as medicines, pharmaceuticals and devices for chemical plants.

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Patent Attorney Yoshinori MORITA
Profile
Academic history
1992: Department of Electronics and Communication, Faculty of Science and Engineering, Waseda University
1994: M.Sc., Department of Electrical Engineering, Graduate School of Science and Engineering Waseda University
1997: Completed Ph.D program without a Ph.D. degree, Graduate School of Science and Engineering Faculty of Science and Engineering, Waseda University
Career
1997: Multiple patent law firms
Technological expertise
Multiple fields, including electronics, mechanical engineering and systems

Advisors

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Katsuhiko KUBOTA
Profile
Academic history
M.Sc., School of Engineering, the University of Tokyo
Visiting Fellow, Cornell University
Career
Dept. Manager, Process Technology Development Dept., Semiconductor Group, Hitachi Ltd.
Senior Chief Engineer, Renesas Electronics Corporation
Engineering Fellow, SanDisk Ltd.
Technological expertise
Semiconductor technology, reliability physics, deep learning
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Patent Attorney Yasuhiro SUZUKI [specific infringement lawsuit counsel]
Profile
Academic history
M.Sc., School of Engineering, the University of Tokyo
Career
Director, Software Development Laboratory-Yamato, IBM Japan
Vice President, International Division of a major patent corporation
Technological expertise
IT, machinery, electricity, manufacturing, architecture, international cases (from inside-out and outside-in), international licensing, intellectual property management consulting (intellectual property consulting to management)
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Patent Attorney Yushi TACHIBANA [specific infringement lawsuit counsel]
Profile
Academic history
The University of Tokyo Faculty of Law (LL.B)
University of Tsukuba (Master of Laws)
University of Tsukuba (Doctoral Program credits of Intellectual Property Laws)
University of Tsukuba (Master of Business Administration)
Career
Asahi Kasei Co., Ltd (Business Planning dept.)
Asahi Yukizai Corporation (Internationalization dept. Manager)
Intellectual Property Business Link Co., Ltd. (President)
Technological expertise
business model, intellectual property business management consulting, patent evaluation of economic value, patent technology licensing(domestic and overseas companies), business incubation

Administrative staff

We have a robust administrative structure, centered on staff with domestic and overseas administrative coordination experience at a major patent firm with over 1,000 patents filings a year.

Contact us

If you have any inquiries about filing patents, patent trials, lawsuits, appraisals and studies, please contact us by phone, FAX, or email using the form below.

  • +81-3-5909-1072
  • +81-3-5909-1073 FAX
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